
if(NOT MY_AMODEL)
    if (CMAKE_SIZEOF_VOID_P MATCHES "8")
        set( MY_AMODEL "64" )
        message(STATUS "model 64" )
    elseif(CMAKE_SIZEOF_VOID_P MATCHES "4")
        set( MY_AMODEL "32" )
        message(STATUS "model 32" )
    else()
        message(FATAL_ERROR " ERROR x-------> this address model is not supported" )
    endif()
else()
    message(STATUS "model ${MY_AMODEL}" )
endif()

